Adding/Subtracting/Multiplying Monomials

Which of the following is a monomial?

• 8x + 5

• 3xy²

• 4x³ - 7y²

• 9x⁵ + 3x⁴ - 2x

Simplify the following expression: 2c³ + 8c³

• 10c⁶

• 10c⁹

• 10c³

• 10 + c³

-20x⁶ + (-10x⁶)

• 10x¹²

• -30x⁶

• -10x⁶

• -30x¹²

2x² + 3y - 2x + 5y + 2x

• 2x² + 8y

• 2x + 8y

• 2x + 5y

• 2x² + 4x + 8y

Tags

CCSS.6.EE.A.3

10m²n + 7mn² - m²n

• 9m²n + 7mn²

• 16m²n

• 17m²n - mn²

• No change

Tags

CCSS.7.EE.A.1

(-4a)(3abc)

• -12abc
• -12bc
• -4a²bc
• -12a²bc

Tags

CCSS.HSA.APR.A.1

Multiply (6m³n³ )(8m²n³)

• 48m⁵n⁹

• 48m⁶n⁶

• 48m⁵n⁶

• none of the above

Tags

CCSS.HSA.APR.A.1

Simplify

(2a²b⁴z)(6a³b²z⁵)

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 12a⁵b⁶z⁶

• 8a⁶b⁸z⁵

Tags

CCSS.HSA.APR.A.1

(4r³s²)(6rs²)

• 24r⁴s⁴

• 12r³s⁴

• 24r³s⁴

• 12r⁴s⁴

Tags

CCSS.HSA.APR.A.1